Method decodeVideoPacket

libffmpegthumbnailer/moviedecoder.cpp:456–484

}

bool MovieDecoder::decodeVideoPacket()
{
    if (m_pPacket->stream_index != m_VideoStream) {
        return false;
    }

    int rc = avcodec_send_packet(m_pVideoCodecContext, m_pPacket);
    if (rc == AVERROR(EAGAIN)) {
        rc = 0;
    }

    if (rc == AVERROR_EOF) {
        return false;
    } else if (rc < 0) {
        throw logic_error("Failed to decode video frame: avcodec_send_packet() < 0");
    }

    rc = avcodec_receive_frame(m_pVideoCodecContext, m_pFrame);
    switch (rc) {
    case 0:
        return true;

    case AVERROR(EAGAIN):
        return false;

    default:
        throw logic_error("Failed to decode video frame: avcodec_receive_frame() < 0");
    }
}

bool MovieDecoder::getVideoPacket()
{